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Single Page Application: advantages and disadvantages [closed]

I've read about SPA and it advantages. I find most of them unconvincing. There are 3 advantages that arouse my doubts. 11 A...
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Why must wait() always be in synchronized block

... to explicitly acquire the monitor by making particular block synchronized and then release the monitor by calling wait() ? ...
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What does the “yield” keyword do?

What is the use of the yield keyword in Python, and what does it do? 42 Answers 42 ...
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What are the -Xms and -Xmx parameters when starting JVM?

Please explain the use of Xms and Xmx parameters in JVMs. What are the default values for them? 5 Answers ...
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.c vs .cc vs. .cpp vs .hpp vs .h vs .cxx [duplicate]

... Historically, the first extensions used for C++ were .c and .h, exactly like for C. This caused practical problems, especially the .c which didn't allow build systems to easily differentiate C++ and C files. Unix, on which C++ has been developed, has case sensitive file systems....
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What are free monads?

I've seen the term Free Monad pop up every now and then for some time, but everyone just seems to use/discuss them without giving an explanation of what they are. So: what are free monads? (I'd say I'm familiar with monads and the Haskell basics, but have only a very rough knowledge of cat...
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Reducing memory usage of .NET applications?

...memory footprint is all about demystifying the working set, process memory and how to perform accurate calculations on your total in-RAM consumption. I will not say that you should ignore the memory footprint of your application -- obviously, smaller and more efficient does tend to be desirable. Ho...
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When is SQLiteOpenHelper onCreate() / onUpgrade() run?

... SQLiteOpenHelper onCreate() and onUpgrade() callbacks are invoked when the database is actually opened, for example by a call to getWritableDatabase(). The database is not opened when the database helper object itself is created. SQLiteOpenHelper versi...
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Why is the Java main method static?

...ntire class - sometimes you have an instance that hasn't been initialized, and you have to check for it in every method that could be called. There are just too many edge cases and ambiguities for it to make sense for the JVM to have to instantiate a class before the entry point is called. That's ...
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Practical uses of git reset --soft?

... git reset is all about moving HEAD, and generally the branch ref. Question: what about the working tree and index? When employed with --soft, moves HEAD, most often updating the branch ref, and only the HEAD. This differ from commit --amend as: it doesn't cre...